Abstract

APPLIED EARTH SCIENCE (TRANS. INST. MIN. METALL. B) 2020, VOL. 129, NO. 2, 56–87 https://doi.org/10.1080/25726838.2020.1755092 ABSTRACT A petro-chronological framework for the Ordubad region, Azerbaijan, Lesser Caucasus – implications for regional metallogeny a,b b b c c Holly R. Andrews , Simon J.E. Large , Robin N. Armstrong , Anar Valiyev , Rustam Abdullayev , c a,b Stephen J. Westhead and Jamie J. Wilkinson a b Department of Earth Science and Engineering, Imperial College London, London, UK; London Centre for Ore Deposits and Exploration, Natural History Museum London, UK; Anglo Asian Mining PLC, Baku, The Republic of Azerbaijan resolved that the Meghri-Ordubad plutonic complex The Ordubad region in Southern Nakhchivan, Azerbai- was assembled from the Eocene to Early Miocene in jan, is regarded prospective for metal deposits related to three magmatic epochs (Rezeau et al. 2016). Ore porphyry systems based on Soviet era exploration and deposit formation occurred towards the end of each recent more focussed exploration by Anglo Asian Mining. cycle with the largest deposits being associated with However, the lack of a modern regional geochronological the culmination of the second cycle in the Oligocene. framework has so far restricted the development of a full This study presents new